Home / 9,697.20-13,383.88-5,718.08

Finding the Fourth Proportional to 9,697.20, 13,383.88 and 5,718.08

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Solution

The fourth proportional to 9,697.20, 13,383.88 and 5,718.08 is: 7,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,697.20 : 13,383.88 = 5,718.08 : x
  2. Step 2: Convert to fraction form
    9,697.20/13,383.88 = 5,718.08/x
  3. Step 3: Cross multiply
    9,697.20x = 13,383.88 × 5,718.08
  4. Step 4: Simplify right side
    9,697.20x = 76,530,015.34
  5. Step 5: Solve for x
    x = 76,530,015.34/9,697.20
  6. Step 6: Final answer
    x = 7,891.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.